JP2005520598A - ダイナミック椎間インプラント - Google Patents
ダイナミック椎間インプラント Download PDFInfo
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- JP2005520598A JP2005520598A JP2003575862A JP2003575862A JP2005520598A JP 2005520598 A JP2005520598 A JP 2005520598A JP 2003575862 A JP2003575862 A JP 2003575862A JP 2003575862 A JP2003575862 A JP 2003575862A JP 2005520598 A JP2005520598 A JP 2005520598A
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- implant
- vertebra
- side wall
- side walls
- vertebrae
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- 239000007943 implant Substances 0.000 title claims abstract description 120
- 230000004927 fusion Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 6
- 238000002513 implantation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 230000010478 bone regeneration Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000008439 repair process Effects 0.000 description 6
- 210000002449 bone cell Anatomy 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000010261 cell growth Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
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- Animal Behavior & Ethology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Surgical Instruments (AREA)
Abstract
Description
−側壁が、側面視において、インプラントの外側へと凸形状をなすような湾曲形状とされ;
−中間壁が、インプラントの外側へと凸形状をなすような湾曲形状とされているとともに、両側壁に対して極端に尖った角度を形成しておらず、さらに、側壁と中間壁とが、側面視において、部分的に卵型の『水滴』的形状を有し;
−椎骨に対しての取付手段が、椎骨に対してのインプラントの非固定的取付を可能とし得るよう構成され、すなわち、椎骨が変位した際に椎骨に対してのインプラントのわずかな変形を許容し得るよう構成されている。
−断面視におけるインプラント1の最大寸法:約17mm
−両側壁2の長さの差:約1mm
−正面視におけるインプラント1の寸法:約18mm
−両側壁2と中間壁3とに関し、側面視における厚さ:約1mm
−両側壁2のドーム状外面におけるインプラント1の最大厚さ:約7mm
−中間壁3の上半分の曲率半径:約2.7mm
−中間壁3の下半分の曲率半径:約3.3mm
−上側の側壁2のドーム状領域における曲率半径:10mm
−下側の側壁2のドーム状領域における曲率半径:約25mm
2 側壁、側方当接壁
3 中央壁
4 リブ(取付手段)
5 タブ
6 ネジ
10 椎骨
11 インプラント
Claims (10)
- 特に腹側からのアプローチルートによる頸椎(10)を処置することを意図したような、椎間インプラント(1)であって、
椎骨プレートに対して当接する2つの側壁(2)と、これら2つの側壁(2)を連結するための1つの中間壁(3)と、を具備しているとともに、処置対象をなす椎骨(10)間に挿入され得るよう弾性変形可能であり、さらに、椎骨(10)の低減された変位可能性を修復することができ、さらに、椎骨(10)に対しての取付手段(4)を具備しているような、インプラントにおいて、
−前記側壁(2)が、側面視において、前記インプラント(1)の外側へと凸形状をなすような湾曲形状とされ;
−前記中間壁(3)が、前記インプラント(1)の外側へと凸形状をなすような湾曲形状とされているとともに、前記両側壁(2)に対して極端に尖った角度を形成しておらず、さらに、前記側壁(2)と前記中間壁(3)とが、側面視において、部分的に卵型の『水滴』的形状を有し;
−椎骨(10)に対しての前記取付手段(4)が、椎骨(10)に対しての前記インプラント(1)の非固定的取付を可能とし得るよう構成され、すなわち、椎骨(10)が変位した際に椎骨(10)に対しての前記インプラント(1)のわずかな変形を許容し得るよう構成されている;
ことを特徴とするインプラント。 - 請求項1記載のインプラント(1)において、
前記中間壁(3)が、非変形状態においては、埋設されることとなる椎間スペースの高さよりもわずかに大きな所定距離へと前記側壁(2)どうしを互いに離間させた状態に維持し得るような、形状とされていることを特徴とするインプラント。 - 請求項1または2記載のインプラント(1)において、
前記インプラント(1)が、特に金属シートといったような、適切な材料からなる単一部材を、単に折り曲げることによって形成されていることを特徴とするインプラント。 - 請求項3記載のインプラント(1)において、
使用されている前記材料が、『TA6V』(商標名)として公知であるような、チタンとアルミニウムとバナジウムとからなる合金であることを特徴とするインプラント。 - 請求項1〜4のいずれか1項に記載のインプラント(1)において、
椎骨(10)に対しての前記インプラント(1)の前記取付手段が、少なくとも1つの組をなす複数のリブ(4)を備え、
これらリブが、尖鋭な自由リッジを有しているとともに、前記側壁(2)の自由端の外面から突出していることを特徴とするインプラント。 - 請求項5記載のインプラント(1)において、
二組をなす複数のリブ(4)を具備し、
一方の組をなす複数のリブ(4)は、前記両側壁(2)のうちの一方の側壁上に配置され、
他方の組をなす複数のリブ(4)は、前記両側壁(2)のうちの他方の側壁上に配置され、
『下側の』前記側壁(2)が、すなわち、埋設時に下側の椎骨に当接することとなる前記側壁(2)が、他方の前記側壁(2)の長さよりも長いものとされていることを特徴とするインプラント。 - 複数の椎間インプラントからなるインプラントセットであって、
請求項1〜6のいずれか1項に記載の椎間インプラント(1)を少なくとも1つ具備してなり、
前記セットが、処置されるべき2つの椎骨(10)の間における固定を実現を意図した少なくとも1つのさらなる椎間インプラント(11)を具備してなり、
『フュージョン』型インプラントと称されるようなこのさらなるインプラント(11)が、前記インプラント(1)の構造と同様の構造を有しているものの、処置されるべき前記椎骨(10)の固定的取付を可能にしている取付手段を備えていることを特徴とするインプラントセット。 - 請求項7記載のインプラントのセットにおいて、
前記『フュージョン』型インプラント(11)の取付を可能としている前記取付手段が、前記側壁(2)の一方の側壁と一体化された少なくとも1つのタブ(5)を備え、
前記タブ(5)には、アンカー止めネジ(6)を受領するための穴が開けられており、
このネジ(6)が、対応する椎骨(10)のボディ部内に挿入することを意図したものであることを特徴とするインプラントセット。 - 請求項7または8記載のインプラントセットにおいて、
前記『フュージョン』型インプラント(11)の前記両側壁(2)が、骨再生を促進する表面皮膜を有している、および/または、前記インプラント(11)の外部へと連通した空間をもたらすような複数の穴を備えている、ことを特徴とするインプラントセット。 - 請求項9記載のインプラントセットにおいて、
前記『フュージョン』型インプラント(11)が、前記両側壁(2)の間に形成された前記空間内に形成された骨グラフトを受領していることを特徴とするインプラントセット。
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FR0203252A FR2837094B1 (fr) | 2002-03-15 | 2002-03-15 | Implant intervertebral |
PCT/FR2003/000799 WO2003077806A1 (fr) | 2002-03-15 | 2003-03-13 | Implant intervertebral dynamique |
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JP2009252098A Division JP4971408B2 (ja) | 2002-03-15 | 2009-11-02 | 椎骨インプラント |
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JP2003575862A Expired - Lifetime JP4481658B2 (ja) | 2002-03-15 | 2003-03-13 | ダイナミック椎間インプラント |
JP2009252098A Expired - Lifetime JP4971408B2 (ja) | 2002-03-15 | 2009-11-02 | 椎骨インプラント |
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EP (1) | EP1485045B1 (ja) |
JP (2) | JP4481658B2 (ja) |
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AU (1) | AU2003227829A1 (ja) |
CA (1) | CA2478842C (ja) |
DE (1) | DE20321907U1 (ja) |
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JP3629557B2 (ja) * | 2001-04-28 | 2005-03-16 | 李 春澤 | 脊椎融合移殖物 |
FR2837094B1 (fr) * | 2002-03-15 | 2004-11-26 | Fixano | Implant intervertebral |
US7799058B2 (en) * | 2007-04-19 | 2010-09-21 | Zimmer Gmbh | Interspinous spacer |
US20090118833A1 (en) * | 2007-11-05 | 2009-05-07 | Zimmer Spine, Inc. | In-situ curable interspinous process spacer |
-
2002
- 2002-03-15 FR FR0203252A patent/FR2837094B1/fr not_active Expired - Fee Related
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2003
- 2003-03-13 CA CA2478842A patent/CA2478842C/fr not_active Expired - Fee Related
- 2003-03-13 WO PCT/FR2003/000799 patent/WO2003077806A1/fr active Application Filing
- 2003-03-13 JP JP2003575862A patent/JP4481658B2/ja not_active Expired - Lifetime
- 2003-03-13 AU AU2003227829A patent/AU2003227829A1/en not_active Abandoned
- 2003-03-13 US US10/506,219 patent/US7867276B2/en active Active
- 2003-03-13 EP EP03725283.0A patent/EP1485045B1/fr not_active Expired - Lifetime
- 2003-03-13 KR KR1020047014416A patent/KR101033969B1/ko active IP Right Grant
- 2003-03-13 DE DE20321907U patent/DE20321907U1/de not_active Expired - Lifetime
- 2003-03-13 ES ES03725283.0T patent/ES2548563T3/es not_active Expired - Lifetime
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2009
- 2009-11-02 JP JP2009252098A patent/JP4971408B2/ja not_active Expired - Lifetime
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2011
- 2011-01-07 US US12/986,714 patent/US9259325B2/en not_active Expired - Fee Related
- 2011-01-07 US US12/986,722 patent/US8337555B2/en not_active Expired - Fee Related
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010042287A (ja) * | 2002-03-15 | 2010-02-25 | Paradigm Spine Llc | 椎骨インプラント |
JP2010511437A (ja) * | 2006-11-30 | 2010-04-15 | パラダイム・スパイン・リミテッド・ライアビリティ・カンパニー | 椎弓間・棘突起間椎骨安定化システム |
JP2011152156A (ja) * | 2009-05-26 | 2011-08-11 | Minatogawa Kinzoku Test Piece Mfg Co Ltd | 椎間インプラント |
Also Published As
Publication number | Publication date |
---|---|
JP2010042287A (ja) | 2010-02-25 |
DE20321907U1 (de) | 2012-10-29 |
JP4971408B2 (ja) | 2012-07-11 |
EP1485045B1 (fr) | 2015-07-01 |
AU2003227829A1 (en) | 2003-09-29 |
US20110106256A1 (en) | 2011-05-05 |
WO2003077806A1 (fr) | 2003-09-25 |
US20110106257A1 (en) | 2011-05-05 |
US8337555B2 (en) | 2012-12-25 |
JP4481658B2 (ja) | 2010-06-16 |
US20050125063A1 (en) | 2005-06-09 |
CA2478842C (fr) | 2011-09-13 |
US9610170B2 (en) | 2017-04-04 |
CA2478842A1 (fr) | 2003-09-25 |
US7867276B2 (en) | 2011-01-11 |
US9259325B2 (en) | 2016-02-16 |
EP1485045A1 (fr) | 2004-12-15 |
KR101033969B1 (ko) | 2011-05-11 |
ES2548563T3 (es) | 2015-10-19 |
US20160166398A1 (en) | 2016-06-16 |
FR2837094A1 (fr) | 2003-09-19 |
FR2837094B1 (fr) | 2004-11-26 |
KR20040091735A (ko) | 2004-10-28 |
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